Re: Auto-indentation

[Paul Whitfield <NoSpam@iinet.net.au>]

Paul Whitfield wrote:
> Alan Mackenzie wrote:
>> Marcus Husar <mail@marcus-husar.de> wrote on Fri, 10 Feb 2006 14:27:32 
>> +0100:
>>
>>> I no searched 2 hours for auto-indentation in emacs. I couldn't find
>>> anything. Could someone please tell me how it works?
>>
>> Assuming you're talking about C, C++, Objective-C and Java, (as suggested
>> by your .emacs), then an existing line of code gets re-indented when
>>
>> o - you press the TAB key.
>> o - you type an "electric" character, such as ";" or "{".
>> o - you run some other indentation command, such as C-M-q, C-c C-q, or
>>     C-M-\.
>>
>> When you type <ret>, the newline doesn't get indented.  You can make this
>> happen by typing C-j instead of <ret>.  If you really want <ret> to
>> indent the new line, then put this into your .emacs:
>>
>>         (defun my-make-CR-do-indent ()
>>           (define-key c-mode-base-map "\C-m" 'c-context-line-break))
>>         (add-hook 'c-initialization-hook 'my-make-CR-do-indent)
>>
> 
> Alternatively:
> 
> (defun my-c-mode-common-hook ()
>   (define-key c-mode-base-map "\C-m" 'newline-and-indent))
> 
> (add-hook 'c-mode-common-hook' my-c-mode-common-hook)
> 
> 
> 
> This uses the generic newline-and-indent which should work
> for even non "c" type languages.
> 
> Adding to the common hook means that all languages that
> make use of CC-mode will be "auto" indented.

Oops... just re-read the documentation, c-initialization-hook is run
first, so ignore my advice about using the common-hook instead of the
initialisation hook.

regards
Paul